A.A.Baikov Institute of Metallurgy and Materials Science

DATABASE ON PROPERTIES OF CHEMICAL ELEMENTS
Properties of element Si
PropertyValueCommentsReferences
ΔH interface M in O (Miedema)-911
 13823
ΔH interface M in S (Miedema)-213
 13823
ΔH interface O in M (Miedema)-455
 13823
ΔH interface S in M-160
 13823
Atomic concentration5(1023 m-3)  13823
Atomic electron scattering factor at 0.50,316 13823
Atomic environment number (Villars, Daams)4  13823
Atomic number start counting left top, left-right sequence14   
Atomic weight28,0855(10-3 kg)  14358
Atomic weight28,086(10-3 kg)  13823
Boiling temperature2608
 17063
Boiling temperature2628
 13823
Boiling temperature2633
 19178
Boiling temperature3533
 19178
Boiling temperature3538
 19178
Charge nuclear effective (Clementi)4,29 13823
Chemical potential (Miedema)4,7 13823
Compression modulus0,988(GPa)  13823
Conductivity thermal148
 13823
Debye temperature645
 13823
Density2329
 13823
Distance from core electron (Schubert)1,18(A) 13823
Distance from valence electron (Schubert)1,91(A) 13823
Electrochemical weight equivalent0,07269(mg*K-1)  13823
Electron affinity133,6
 13823
Electronegativity (Alfred-Rochow)1,74 13823
Electronegativity (Martynov&Batsanov)1,98 13823
Electronegativity (Pauling)1,8 13823
Electronegativity absolute4,77 13823
Energy cohesive (Brewer)4,63
 13823
Energy of ionization first786,5
 13823
Energy of ionization second1577
 13823
Energy of ionization third3232
 13823
Enthalpy of atomization455,6
 13823
Enthalpy of melting50,6
 13823
Enthalpy of surface (Miedema)74
 13823
Enthalpy of vacancies (Miedema)60
 13823
Enthalpy of vaporization300
 19178
Enthalpy of vaporization359
 19178
Enthalpy of vaporization383
 19178
Enthalpy of vaporization383,3
 13823
Entropy of solid18,9662
 13823
Group number4 13823
Linear thermal expansion coefficient2,6(10-6*K-1) 13823
Linear thermal expansion coefficient4,2(10-6*K-1) 17063
Magnetic frequency of nuclei19,865 13823
Magnetic resonance8,458(MHz)  13823
Magnetic susceptibility0,0000000018(m3*kg-1) 13823
Mass attenuation coefficient CrKα189(cm2*g-1)  13823
Mass attenuation coefficient FeKα117(cm2*g-1) 13823
Mass attenuation coefficient for CuKα60,6(cm2*g-1)  13823
Mass attenuation coefficient for MoKα6,44(cm2*g-1)  13823
Melting temperature1683
 13823
Mendeleev chemists sequence90  13823
Mendeleev d-t start left81  13823
Mendeleev d-t start right25  13823
Mendeleev H d-t start left80  13823
Mendeleev H d-t start right26  13823
Mendeleev H t-d start left78  13823
Mendeleev H t-d start right24  13823
Mendeleev Pettifor85  13823
Mendeleev Pettifor regular84  13823
Mendeleev t-d start left79  13823
Mendeleev t-d start right23  13823
Modulus of rigidity39,7(GPa) 13823
Modulus of rigidity79,97(GPa) 17063
Molar heat capacity20
 13823
Moment nuclear magnetic0,555(mu) 13823
Nuclear charge effective (Slater)4,15 13823
nW1/3 (Miedema)1,5(a.u.-1/3)  13823
Oxidation state first 4 13823
Periodic number start counting bottom right, right-left sequence90  13823
Periodic number start counting left bottom, left-right sequence89  13823
Periodic number start counting top right, right-left sequence15  13823
Poisson's ratio0,42 13823
Quantum number3 13823
Radii covalent117
 13823
Radii metal (Waber)1,319(A) 13823
Radii pseudo-potential (Zunger)1,42(a.u.) 13823
Resistivity electrical100000(10-8 Ohm*m)  13823
Sound velocity2200(m*s-1) 13823
Spectral lines no157 13823
Spin nuclei0,5(h) 13823
Surface tension at Tm1250
 13823
Thermal neutron capture cross section171(barns) 13823
V2/3 (Miedema)4,2(cm2)  13823
Valence electron number4 13823
Vapour pressure at Tm477(N*m-2) 13823
Volume of atom (Villars, Daams)2,002(10-2 nm3)  13823
Work function4,8(eV)  13823
Young's modulus113(GPa)  13823
Young's modulus131(GPa)  17063
PropertyC.N.Radii ionic (Shannon)CommentsReferences
Si+440,260 Å 13826
Si+460,400 Å 13826
PropertyValueCommentsReferences
Radii ionic (Bokii & Belov)
Si+40,390 Å 13824
Radii ionic (Goldsmidt)
Si-41,980 Å 13824
Si+40,390 Å 13824
Radii ionic (Pauling)
Si-42,710 Å 13824
Si+40,410 Å 13824
Radii ionic (Yagoda)
Si+40,420 Å 13824